How to configure password Sync in three domains multidirectional

How to configure password Sync in three domains multidirectional

Its possible to do a multiway password Sync with 3 domains? I configure password Sync agent in all dcs of the 3 domains, and create 6 Sync policĂ­es A to B, A to C, B to A, B ti C, C to A and C to B. I do this config because a suport technician tell me to do this way.
What i see is if i reset a password starts a loop and ininitely the password was jumping  and changing in 3 domains 
What i am doing wrong?

Thanks


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